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'AND' vs '&&' as operator

... If you use AND and OR, you'll eventually get tripped up by something like this: $this_one = true; $that = false; $truthiness = $this_one and $that; Want to guess what $truthiness equals? If you said false... bzzzt, sorry, wrong! $truthiness above has the ...
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How do I convert between big-endian and little-endian values in C++?

... If you're using Visual C++ do the following: You include intrin.h and call the following functions: For 16 bit numbers: unsigned short _byteswap_ushort(unsigned short value); For 32 bit numbers: unsigned long _byteswap_ulong(unsigned long value); For 64 bit numbers: unsigned __int64 _byt...
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Odd behavior when Java converts int to byte?

...+ unsignedByte); Would print out: "Signed: -1 Unsigned: 255" What's actually happening here? We are using bitwise AND to mask all of the extraneous sign bits (the 1's to the left of the least significant 8 bits.) When an int is converted into a byte, Java chops-off the left-most 24 bits 111111...
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Can I restore a single table from a full mysql mysqldump file?

I have a mysqldump backup of my mysql database consisting of all of our tables which is about 440 megs. I want to restore the contents of just one of the tables from the mysqldump. Is this possible? Theoretically, I could just cut out the section that rebuilds the table I want but I don't even know ...
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Does JavaScript have a built in stringbuilder class?

... strings with the + or += operator are extremely slow on IE. This is especially true for IE6. On modern browsers += is usually just as fast as array joins. When I have to do lots of string concatenations I usually fill an array and don't use a string builder class: var html = []; html.push( "&l...
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CSS: How to position two elements on top of each other, without specifying a height?

...exactly on top of each other. However, when I do that, the formatting gets all screwed up because the containing DIV acts like there is no height. I think this is the expected behavior with position:absolute but I need to find a way to position these two elements on top of each other and have the ...
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How to join two JavaScript Objects, without using JQUERY [duplicate]

... merge them and crete a single json object. The resultant json should have all the values from obj2 and the values from obj1 which is not present in obj2. ...
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Search of table names

...me like '%xxx%' and is_ms_shipped = 0; -- << comment out if you really want to see them share | improve this answer | follow | ...
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doesn't inherit the font from

... @diEcho, this is true for all elements besides form elements, which inherit from the current system styling so they maintain a feel that is familiar to the user (by default), but they are manually overridable. – Gabriele Petrioli...
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Jquery - How to make $.post() use contentType=application/json?

... to 1.Modify the source to make $.post always use JSON data type as it really is just a shortcut for a pre configured $.ajax call Or 2.Define your own utility function that is a shortcut for the $.ajax configuration you want to use Or 3.You could overwrite the $.post function with your own i...